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Finding the Fourth Proportional to 169,726.23, 254,201.54 and 81,041.85

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Solution

The fourth proportional to 169,726.23, 254,201.54 and 81,041.85 is: 121,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,726.23 : 254,201.54 = 81,041.85 : x
  2. Step 2: Convert to fraction form
    169,726.23/254,201.54 = 81,041.85/x
  3. Step 3: Cross multiply
    169,726.23x = 254,201.54 × 81,041.85
  4. Step 4: Simplify right side
    169,726.23x = 20,600,962,669.24
  5. Step 5: Solve for x
    x = 20,600,962,669.24/169,726.23
  6. Step 6: Final answer
    x = 121,377.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.